A 0.060-kg ball with charge + 3.0 ? 10 ? 6 C hangs from a 0.50-m-long string at an angle of 53? below the horizontal. The string is attached at the top on the wall above a second charged object, as shown in (Figure 1).

Determine the charge on the second object.

What others quantities can be determined using this information?

+0+ T + +q, m